CN205040846U - Portable heatable lunch -box - Google Patents
Portable heatable lunch -box Download PDFInfo
- Publication number
- CN205040846U CN205040846U CN201520684878.1U CN201520684878U CN205040846U CN 205040846 U CN205040846 U CN 205040846U CN 201520684878 U CN201520684878 U CN 201520684878U CN 205040846 U CN205040846 U CN 205040846U
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- cooling
- thermoelectric
- heating
- portable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a portable heatable lunch -box, including the box body, its characterized in that still includes thermoelectric (al) cooling subassembly, temperature sensor and control circuit, the box body bottom is equipped with the cavity, and the thermoelectric (al) cooling subassembly sets up in the cavity, and temperature sensor sets up in the box body inner chamber, thermoelectric (al) cooling subassembly, temperature sensor are connected with control circuit. The box body inner chamber divide into four parts, and every part all is equipped with temperature sensor, temperature sensor is apart from the refrigeration piece 2 -5cm of thermoelectric (al) cooling subassembly. Still be equipped with the temperature protection circuit, the temperature protection circuit include cooling fan and cooling temperature sensor, cooling temperature sensor set up the thermoelectric (al) cooling subassembly on the surface, the thermoelectric (al) cooling subassembly is aimed at to cooling fan's air outlet, cooling fan, cooling temperature sensor are connected with control circuit. This kind of lunch -box can conveniently heat, keep warm the food in the box, and convenient to use is swift.
Description
Technical field
The utility model relates to daily living article, relates to lunch box, especially a kind of portable can lunch box capable of heating.
Background technology
At present, common lunch box kind is a lot, portable lunch box is formed primarily of box-like housing, it makes material mainly plastics or stainless steel, and the lunch box weak point of this structure is, heat insulation effect is poor, lunch box itself does not possess heating function, particularly when cold weather, the food cooling in lunch box is faster, directly inconvenient
foodwith, other heating appliances also to be looked for heat, waste time and energy, use inconvenience.
Utility model content
The purpose of this utility model for the deficiencies in the prior art, and provide a kind of portable can lunch box capable of heating, this lunch box can heat the food in box, be incubated easily, convenient to use.
The technical scheme realizing the utility model object is:
A kind of portable can lunch box capable of heating, comprise box body, also comprise thermoelectric cooling module, temperature sensor and control circuit, cavity is provided with bottom described box body, thermoelectric cooling module is arranged in cavity, temperature sensor is arranged in box body inner chamber, and described thermoelectric cooling module, temperature sensor are connected with control circuit.
Described box body inner chamber is divided into four parts, and each part is equipped with temperature sensor.
The cooling piece 2-5cm of described temperature sensor distance thermoelectric cooling module.
Described thermoelectric cooling module is provided with fin.
Also comprise display device, described display device is connected with control circuit.
Also comprise button, described button is connected with control circuit.
Be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan and cooling temperature sensor; cooling temperature sensor is arranged on the surface of thermoelectric cooling module; the air outlet of cooling fan aims at thermoelectric cooling module, and cooling fan, cooling temperature sensor are connected with control circuit.
Described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor, thermoelectric cooling module.
Described microcontroller is connected with display device, button.
Described microcontroller is connected with cooling temperature sensor, cooling fan, and thermoelectric cooling module is connected with cooling temperature sensor, cooling fan.
During use, switch on power, the temperature in lunch box box body is detected by temperature sensor, when the minimum of temperature lower than design temperature, start thermoelectric cooling module by control system and heat, lunch box capable of heating, lunch box is made to reach design temperature, when temperature sensor detects the peak of box body temperature higher than design temperature, close thermoelectric cooling module by control system, stop heating.
The thermoelectric cooling module that this lunch box uses is the heat pump utilizing Peltier effect work, can be used for refrigeration, also can pyrogenicity.Thermoelectric cooling module is a kind of solid-state devices not having rotatable parts, and the life-span is long, noiseless during work, can not discharge again harmful substance (as fluorochlorohydrocarbon), can at arbitrarily angled installation and operation, can precise control of temperature when regulation voltage or electric current.Therefore, this lunch box can heat the food in lunch box, be incubated easily, convenient to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the equipped schematic diagram of temperature sensor and box body in embodiment;
Fig. 3 is the schematic surface of box body in embodiment;
Fig. 4 is the square frame connection diagram of control circuit in embodiment.
In figure, 1. box body 2. cavity 3. thermoelectric cooling module 4. cooling fan 5. is lowered the temperature temperature sensor 6. temperature sensor 7. charactron 8. button 9. power switch.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model content is further elaborated, but is not to restriction of the present utility model.
Embodiment:
With reference to Fig. 1-Fig. 4, a kind of portable can lunch box capable of heating, comprise box body 1, also comprise thermoelectric cooling module 3, temperature sensor 6 and control circuit, cavity 2 is provided with bottom described box body 1, thermoelectric cooling module 3 is arranged in cavity 2, and temperature sensor 6 is arranged in box body 1 inner chamber, and described thermoelectric cooling module 3, temperature sensor 6 are connected with control circuit.
Described box body 1 inner chamber is divided into four parts, and each part is equipped with temperature sensor 6, and as shown in Figure 2, box body 1 inner chamber is divided into four parts of equal decile.
Described temperature sensor 6 is apart from the cooling piece 2-5cm of thermoelectric cooling module 3, and this example is 3cm, and temperature sensor 6 is arranged on box body 1 intracavity sidewall, can ensure that the temperature detected is close to the mean temperature in box body.
Described thermoelectric cooling module 3 is provided with fin.
Also comprise display device, described display device is connected with control circuit.
Also comprise button 8, described button 8 is connected with control circuit.Button 8 can set preset temperature or the highest, lowest temperature angle value easily, and this example has three buttons, is respectively and increases key, minimizing key and setting key.
Also be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan 4 and cooling temperature sensor 5; cooling temperature sensor 5 is arranged on the surface of thermoelectric cooling module 3; the air outlet of cooling fan 4 aims at thermoelectric cooling module 3, and cooling fan 4, cooling temperature sensor 5 are connected with control circuit.
Described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor 6, thermoelectric cooling module 3.
Described microcontroller is connected with display device, button 8.In this example, display device is charactron 7, and charactron 7, button 8 are arranged on the outer surface of box body 1, is convenient to observe and set temperature.
Described microcontroller is connected with cooling temperature sensor 5, cooling fan 4, and thermoelectric cooling module 3 is connected with cooling temperature sensor 5, cooling fan 4.
Particularly, microcontroller is with AT89S51 single-chip microcomputer for core, and low cost low-power consumption, is also provided with power switch 9 and is connected with microcontroller, so that control the switching electricity of lunch box; Temperature sensor adopts DS18b20, is accurate to 0.5 DEG C, can selects more high-precision sensor as required; The fin of thermoelectric cooling module 3 uses aluminum alloy materials, and the capacity of heat transmission is strong and quality, volume etc. are less; The rechargeable battery of power supply adopts 12V accumulator jar, and rechargeable battery is connected with thermoelectric cooling module 3, microcontroller by relay, and transformer is connected with microcontroller, rechargeable battery.
Consider and be convenient to continuous use, separately add charging equipment, can connect 220V alternating current, this timer connects electricity and can normally work, and can charge the battery again, makes device ensure continuous operation.
Input preset temperature value by button 8, anterior at lunch box, arrange 3 charactrons 7, for displays temperature for showing fractional part, two other is for showing integer part; 3 buttons are set below charactron 7, first is increase the increase key needing the temperature value arranged, often press once, the temperature value arranged increases by one, second button is the minimizing key reducing to need the temperature value arranged, often press once, the temperature value arranged subtracts one, the 3rd button, saves to play and acts on easily, for multiplexing function, key is set, after powering on, first time presses and arranges key and can arrange heating-up temperature, again presses after setting, then start heating, regulate temperature in box body 1 by preset temperature; Box body 1 adopts stainless steel to make, and have good thermal conductivity, service life increases greatly.
Control circuit and thermoelectric cooling module 3 are powered by rechargeable battery.When power switch 9 is pressed, relay adhesive, power supply and thermoelectric cooling module 3 are connected, start lunch box capable of heating, when temperature exceedes design temperature, by temperature sensor 6 by signal feedback to microcontroller, allow microprocessor control relay disconnect, stop lunch box capable of heating.User can understand temperature in current lunch box by digital 7 and arrange required heating-up temperature.When the temperature of thermoelectric (al) cooling group 3 is close to when needing protection temperature, by cooling temperature sensor 5 by signal feedback to microcontroller, start cooling fan 4 and lower the temperature to thermoelectric cooling module 3, prevent from burning out thermoelectric cooling module 3, ensure the normal use of lunch box.
Claims (10)
1. one kind portable can lunch box capable of heating, comprise box body, it is characterized in that, also comprise thermoelectric cooling module, temperature sensor and control circuit, cavity is provided with bottom described box body, thermoelectric cooling module is arranged in cavity, and temperature sensor is arranged in box body inner chamber, and described thermoelectric cooling module, temperature sensor are connected with control circuit.
2. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described box body inner chamber is divided into four parts, and each part is equipped with temperature sensor.
3. according to claim 1 portable can lunch box capable of heating, it is characterized in that, the cooling piece 2-5cm of described temperature sensor distance thermoelectric cooling module.
4. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described thermoelectric cooling module is provided with fin.
5. according to claim 1 portable can lunch box capable of heating, it is characterized in that, also comprise display device, described display device is connected with control circuit.
6. according to claim 1 portable can lunch box capable of heating, it is characterized in that, also comprise button, described button is connected with control circuit.
7. according to claim 1 portable can lunch box capable of heating; it is characterized in that; also be provided with temperature protection circuit; described temperature protection circuit comprises cooling fan and cooling temperature sensor; cooling temperature sensor is arranged on the surface of thermoelectric cooling module; the air outlet of cooling fan aims at thermoelectric cooling module, and cooling fan, cooling temperature sensor are connected with control circuit.
8. according to claim 1 portable can lunch box capable of heating, it is characterized in that, described control circuit comprises microcontroller, and described microcontroller is connected with temperature sensor, thermoelectric cooling module.
9. according to claim 8 portable can lunch box capable of heating, it is characterized in that, described microcontroller is connected with display device, button.
10. according to claim 8 portable can lunch box capable of heating, it is characterized in that, described microcontroller is connected with cooling temperature sensor, cooling fan, and thermoelectric cooling module is connected with temperature sensor of lowering the temperature, cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684878.1U CN205040846U (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch -box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684878.1U CN205040846U (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch -box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205040846U true CN205040846U (en) | 2016-02-24 |
Family
ID=55334477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520684878.1U Expired - Fee Related CN205040846U (en) | 2015-09-07 | 2015-09-07 | Portable heatable lunch -box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205040846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105486A (en) * | 2015-09-07 | 2015-12-02 | 桂林电子科技大学 | Portable heatable lunch box |
-
2015
- 2015-09-07 CN CN201520684878.1U patent/CN205040846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105486A (en) * | 2015-09-07 | 2015-12-02 | 桂林电子科技大学 | Portable heatable lunch box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204091051U (en) | A kind of APP Intelligent electric-heating clothes | |
| CN101865557A (en) | Refrigerating and heating device and cup provided with same | |
| CN205505228U (en) | Portable air conditioner | |
| CN105105486A (en) | Portable heatable lunch box | |
| CN105286427A (en) | Automatic temperature control thermal power generation rapid cooled type multifunctional water cup | |
| CN204500141U (en) | A kind of intelligent alternating temperature multi-function health-care combination blanket | |
| CN205040846U (en) | Portable heatable lunch -box | |
| CN204813156U (en) | Constant temperature cup | |
| CN203735933U (en) | Thermal insulating and freshness retaining vegetable cover | |
| CN103300663A (en) | Temperature control electrical heating cup | |
| CN205338462U (en) | Hand warmer type thermos cup | |
| CN205512976U (en) | Cold and hot lunch -box | |
| CN208079339U (en) | Solar energy bluetooth headset | |
| CN205004793U (en) | Portable energy -conservation lunch -box of cooking | |
| CN207506684U (en) | A kind of mobile phone shell-type hand warmer | |
| CN202637224U (en) | Automatic temperature control foot warmer | |
| CN202553264U (en) | Temperature control electrical heating cup | |
| CN205757817U (en) | A kind of incubation canteen | |
| CN205514167U (en) | Wireless heater | |
| CN201697390U (en) | Cooling and heating device and cup provided therewith | |
| CN201223218Y (en) | Semiconductor refrigeration and heat-production thermos cup | |
| CN211748569U (en) | Wireless portable heating thermos cup of intelligence | |
| CN201476151U (en) | Rechargeable portable heater | |
| CN201550688U (en) | Solar-energy electric-heating heat preservation shoe | |
| CN201260579Y (en) | Semiconductor refrigerating and heating thermal-insulating lunchbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |